/Engine/Plugins/Runtime/RigVM/Source/RigVM/Public/RigVMCore/RigVMTemplate.h
Returns true if a given arg supports a type
bool ArgumentSupportsTypeIndex ( const [FName](API\Runtime\Core\UObject\FName) & InArgumentName, [TRigVMTypeIndex](API\Plugins\RigVM\RigVMCore\TRigVMTypeIndex) InTypeIndex, [TRigVMTypeIndex](API\Plugins\RigVM\RigVMCore\TRigVMTypeIndex) * OutTypeIndex ) const